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v3.23.1

INVESTMENTS - Held to maturity and Available-for-sale debt investments (Details) ¥ in Millions, $ in Millions | 12 Months Ended
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Dec. 31, 2022 CNY (¥) | Dec. 31, 2022 USD ($) | Dec. 31, 2021 CNY (¥) | Dec. 31, 2020 CNY (¥)
Held to maturity debt securities |  |  |  |
Carrying amount of held to maturity investments | ¥ 15,500 |  | ¥ 13,100 |
Weighted average maturities periods | 2 years 2 months 12 days | 2 years 2 months 12 days | 1 year 8 months 12 days |
Available-for-sale debt investments |  |  |  |
Available-for-sale debt securities, Cost | ¥ 3,792 |  | ¥ 3,734 |
Available-for-sale debt securities, Gross Unrealized Gains, including foreign exchange adjustment | 352 |  | 271 |
Available-for-sale debt securities, Gross Unrealized Losses, including foreign exchange adjustment | (1,543) |  | (651) |
Recognization the credit impairment | 22 |  |  |
Other comprehensive income loss reclassification adjustment net of tax | 884 | $ 128 | 0 | ¥ 0
Available-for-sale debt investments impairment charges | 906 |  | 0 | 0
Fair value of available-for-sale debt investments | 1,500 |  | 2,400 |
Available-for-sale debt securities, Fair value | 2,601 |  | 3,354 |
Unrealized securities holding gain (loss), net of tax | 32 |  | 1 | ¥ (21)
Redeemable Preferred Stock [Member] |  |  |  |
Available-for-sale debt investments |  |  |  |
Gain loss from change in fair value of equity investment | ¥ 268 |  | ¥ 139 |

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